2012 was among warmest on record in Ohio

An unusually warm winter followed by a hot spring and summer turned 2012 into one of the hottest years on record across Ohio.

Cleveland and Columbus both had their highest average annual temperatures in 2012, while the state's other big cities just missed out on breaking their records.

Toledo, Cincinnati and Dayton still had temperatures that put 2012 among the five hottest years they've posted, according to the National Weather Service. The records should be no surprise after a year that brought 70-degree temperatures in March, oppressive heat in June and July and little snow until the last few weeks of the year.

State climatologist Jeffrey Rogers said more and more evidence points to climate change for the higher temperatures. He told The Columbus Dispatch the state has had decades of rising temperatures since the 1960s, blaming pollutants from power plants, factories and vehicles.

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2012 was among warmest on record in Ohio

An unusually warm winter followed by a hot spring and summer turned 2012 into one of the hottest years on record across Ohio.